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Old 01-14-2008, 01:45 PM   #1
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Default Evaluate my crush

I was hoping you guys could take a look at my crush. I am plagued by mediocre efficiency, between 60-67%. I'm trying to figure out if it's my grain crush or my sparging technique. Thanks!



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Old 01-14-2008, 01:47 PM   #2
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The crush looks good to me, although not really that fine. Explain your sparge technique.

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Old 01-14-2008, 01:48 PM   #3
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Why don't you just try crushing finer and see if it helps your efficiency? Is the grain pre-crushed? Mine is usually finer than yours looks...

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Old 01-14-2008, 01:49 PM   #4
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I think these pictures will be a little bit bigger..



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Old 01-14-2008, 01:51 PM   #5
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Wow, fast replies. I have a Crankenstein crusher right now, and when it was preset, I think I was getting high seventies efficiency. Of course I had to fiddle with it and now it's worse. I have it set to around 0.39" gap as closely as I could. The cheap model is kinda hard to adjust.

Usually when I sparge, I just add 165F water to the mash tun as needed to keep about an inch above the grain bed.

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Old 01-14-2008, 01:53 PM   #6
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Quote:
Originally Posted by Khirsah17
Usually when I sparge, I just add 165F water to the mash tun as needed to keep about an inch above the grain bed.
That could be your problem right there. You should be sparging around 170-172F...
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Old 01-14-2008, 01:55 PM   #7
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I have a Crank 3 roller model and crush a bit finer than that. I have gone as low as .011", but usually set it at about .02" now. I get a fair bit of flour, but my MLT will handle it. I'm going to crush later today and I'll get a pic for you.

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Old 01-14-2008, 02:35 PM   #8
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There is an article on the wiki with examples of good crushes you can compare to as well.

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Old 01-14-2008, 04:18 PM   #9
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http://i8.tinypic.com/7yplvue.jpg
http://i7.tinypic.com/72se5b5.jpg
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Old 01-14-2008, 04:20 PM   #10
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I'm no expert, but I think you want a LITTLE flour in the crush and I'm not seeing it in yours at all.

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